A court in the United States has convicted three men of murdering the Cambodian activist and Oscar-winning "Killing Fields" actor Haing Ngor in Los Angeles.

Ngor created a new life in America as an actor and campaigner

The verdicts on the killers of the most famous survivor of the Khmer Rouge's genocidal rule were delivered as the world received final confirmation of the death of the former Cambodian dictator Pol Pot.